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Finding the Fourth Proportional to 75,331.82, 103,932.16 and 43,043.27

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Solution

The fourth proportional to 75,331.82, 103,932.16 and 43,043.27 is: 59,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,331.82 : 103,932.16 = 43,043.27 : x
  2. Step 2: Convert to fraction form
    75,331.82/103,932.16 = 43,043.27/x
  3. Step 3: Cross multiply
    75,331.82x = 103,932.16 × 43,043.27
  4. Step 4: Simplify right side
    75,331.82x = 4,473,580,024.56
  5. Step 5: Solve for x
    x = 4,473,580,024.56/75,331.82
  6. Step 6: Final answer
    x = 59,385.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.